1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
void parseHtmlFile(QTextStream &out, const QString &fileName) {
QFile file(fileName);
out << "Analysis of HTML file: " << fileName << endl;
if (!file.open(QIODevice::ReadOnly)) {
out << " Couldn't open the file." << endl << endl << endl;
return;
}
//! [0]
QXmlStreamReader reader(&file);
//! [0]
//! [1]
int paragraphCount = 0;
QStringList links;
QString title;
while (!reader.atEnd()) {
reader.readNext();
if (reader.isStartElement()) {
if (reader.name() == "title")
title = reader.readElementText();
else if(reader.name() == "a")
links.append(reader.attributes().value("href").toString());
else if(reader.name() == "p")
++paragraphCount;
}
}
//! [1]
//! [2]
if (reader.hasError()) {
out << " The HTML file isn't well-formed: " << reader.errorString()
<< endl << endl << endl;
return;
}
//! [2]
out << " Title: \"" << title << "\"" << endl
<< " Number of paragraphs: " << paragraphCount << endl
<< " Number of links: " << links.size() << endl
<< " Showing first few links:" << endl;
while(links.size() > 5)
links.removeLast();
foreach(QString link, links)
out << " " << link << endl;
out << endl << endl;
}
int main(int argc, char **argv)
{
// initialize QtCore application
QCoreApplication app(argc, argv);
// get a list of all html files in the current directory
QStringList filter;
filter << "*.htm";
filter << "*.html";
QStringList htmlFiles = QDir(":/").entryList(filter, QDir::Files);
QTextStream out(stdout);
if (htmlFiles.isEmpty()) {
out << "No html files available.";
return 1;
}
// parse each html file and write the result to file/stream
foreach(QString file, htmlFiles)
parseHtmlFile(out, ":/" + file);
return 0;
}
|
